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  <title>is_float 的别名</title>
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  <div id="layout-content"><div id="function.is-real" class="refentry">
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    <h1 class="refname">is_real</h1>
    <p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">is_real</span> &mdash; <span class="dc-title"><span class="function"><a href="is_float.html" class="function">is_float()</a></span> 的别名</span></p>

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   <div class="refsect1 unknown-unknown-unknown-unknown-unknown-seealst" id="refsect1-function.is-real-unknown-unknown-unknown-unknown-unknown-seealst">
    <h3 class="title">描述</h3>
    <p class="para">
     此函数是 <span class="function"><a href="is_float.html" class="function">is_float()</a></span> 的别名函数。
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